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Right Triangle Trigonometry. Pythagorean Theorem. Recall that a right triangle has a 90° angle as one of its angles. The side that is opposite the 90° angle is called the hypotenuse .
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Pythagorean Theorem • Recall that a right triangle has a 90° angle as one of its angles. • The side that is opposite the 90° angle is called the hypotenuse. • The Pythagoreans theorem says that the square of the hypotenuse is equal to the sum of the squares of the legs. c2 = a2 + b2 a c b
Introduction to Trigonometry opp is the side opposite angle A • adj is the side adjacent to angle A • hyp is the hypotenuse of the right triangle hyp opp adj A
Define the three basic trigonometric ratios: sine, cosine and tangent. Just remember sohcahtoa! Sin Opp Hyp Cos Adj Hyp Tan Opp Adj -or- School Can Teach Oscar Has AHairy Old Ape
Sec 7.5 #3-8, 16-26, (#30 extra credit) Sec 7.6 #1-9 odd, 10-15, 19-24 (#30 & 31 extra credit)